ISC Exam Questions

which of the following?

Communications and network security relates to transmission of which of the following?

A.
voice

B.
voice and multimedia

C.
data and multimedia

D.
voice, data and multimedia

Explanation:
Security applies to all types of transmitted data whether it is voice, data or multimedia.
Incorrect Answers:
A: Not only voice transfer must be secure. Data and multimedia transmission must be secure as well.
B: Not only voice and multimedia transfers must be secure. Data transmission must be secure as well.
C: Not only data and multimedia transfers must be secure. Voice transmission must be secure as well.

Harris, Shon, All In One CISSP Exam Guide, 6th Edition, McGraw-Hill, New York, 2013, p. 515